Calculor is a free portable simple to use and straightforward calculator that calculates live answers as you type. Written by Gabriel Marie of SSPX, this calculator features an intuitive easy to navigate menu. Supported features include; regular algebraic and trigonometric math, hex to decimal conversion, character to ascii conversion, fraction conversion and much more. The free calculation tool automatically remembers recent equations and expressions. Moreover, users can choose to have it memorize additional equations. Last but not least, this freeware scientific calculator software can also be stored and run entirely from a thumb drive, requiring no need to install it to a computer.